Peel and wash the potatoes, halve or quarter them depending on size. Cook in boiling salted water for about 20 minutes. Peel and finely dice onion. Peel garlic and chop finely. Clean, wash and cut the celery into fine strips
Heat the oil in a large pan, fry the onion and garlic until transparent, add the celery and fry briefly. Season with salt, pepper and paprika, deglaze with tomatoes, stock and cream, bring to the boil and simmer for 3-4 minutes
Wash the fish, dab dry and dice. Add to the sauce and cook over low heat for 5-7 minutes. Drain the potatoes and let them evaporate. Meanwhile, wash the dill, shake dry and chop finely. Add dill, up to 1 teaspoon to garnish, potatoes and olives to the sauce, warm up carefully. Season again with salt, pepper and paprika. Arrange in a bowl sprinkled with dill